After sales service and Warranty2 Years from the shipping date, our after sales service department is online 7/24, so just feel free if you have any after sales questions or problems. When the warranty period expires, we are also willingly to help our customers to cope with different problems. And our customers only need to bear the cost of components, and we guarantee the best price.

LifetimeThe lifetime of the lasers are 100,000 hours, the lifetime of the pump diode is 100,000 hours.

Questions usually been asked by the customers1) Does the laser have "auto verification" mode in which it can diagnose itself for possible problems?=> It has a protection software inside.2) Can an abrupt electricity cut damage the laser? Is it necessary to connect the laser to electricity via UPS?=> an abrupt electricity cut won't damage the laser, our laser has been tested in this way for many many times. Not necessary to connect to UPS.3) Is the laser filled with neutral gas (we are thinking about the risk of opening it by the customs at the border)?=> No neutral gas, it's safe.4) Can anything bad happen to the laser if it is scanned by X-ray on the border?=> Please don't worry, our laser has been sold to many countries, it very safe. Because there is no dangerous materials in it that will lead to fire or explosion.5) Does the laser have a CE certificate necessary to be sold to European Union?=>Yes